Cordilleran Section - 117th Annual Meeting - 2021

2-6
PETROLOGY OF THE PLUTONIC ROCKS OF THE CALMALLI-SAN FRANCISQUITO REGION, SOUTHERN PENINSULAR RANGES BATHOLITH, BAJA CALIFORNIA, MEXICO
CONTRERAS-LÓPEZ, Manuel1, DELGADO-ARGOTE, Luis Alberto1, WEBER, Bodo1, TORRES-CARRILLO, Xochitl G.2, FREI, Dirk3 and GÓMEZ-ALVAREZ, Doris K.1, (1)Geology Department, Center for Scientific Research and Higher Education of Ensenada, Carretera Ensenada-Tijuana 3918, Ensenada, BJ 22860, Mexico, (2)Faculty of Earth and Space Sciences, Autonomous University of Sinaloa, Avenida Universitarios, Ciudad Universitaria, Culiacán Rosales, SI 80013, Mexico, (3)Department of Earth Science, University of Western Cape, Belville, South Africa


Handouts
  • Contreras-López et al 2021 Cordilleran GSA.pdf (32.0 MB)
  • 7-3
    MEASUREMENTS AND PREDICTIONS OF VS30, Z1.0, AND Z2.5 IN NEVADA
    SIMPSON, Alex, Nevada Seismological Lab, Univ. of Nevada, Reno, MS 0174, Reno, NV 89557-0174 and LOUIE, John, Nevada Seismological Laboratory, University of Nevada, Reno, MS 0174, Reno, NV 89557-0174


    Handouts
  • Simpson_Louie_GSA_Poster.pdf (1.2 MB)
  • 8-2
    THE PECULIAR CASE OF DEEP SIERRAN EARTHQUAKES
    JONES, Craig, Dept. Geological Sciences and CIRES, University of Colorado, Boulder, Boulder, CO 80309-0399, RYAN, Jamie, Department of Geosciences, University of Arizona, Tucson, AZ 85721, FRASSETTO, Andy, IRIS Consortium, 1200 New York Avenue, NW, Suite 400, Washington, DC 20005, UNRUH, Jeffery R., Lettis Consulting International, 1981 No. Broadway, Suite 330, Walnut Creek, CA 94596 and GILBERT, Hersh, Dept. of Geoscience, University of Calgary, 2500 University Dr. NW, Calgary, BC T2N 1N4, Canada


    Handouts
  • SierraDeepEQ-GSA2021.pdf (39.2 MB)
  • 9-6
    CONTINENTAL SUBDUCTION AS A MECHANISM FOR EMPLACEMENT OF THE ROBERTS MOUNTAINS THRUST IN NEVADA
    DUNHAM, John, Union Oil Company of California, Retired, Los Angeles, CA 90017


    Handouts
  • DUNHAM_GSA_Cord_Presentation_13may21.pdf (5.6 MB)
  • 9-9
    CRITERIA FOR RECOGNITION OF SUBDUCTED (OROCOPIA) SCHIST IN WESTERN ARIZONA
    HAXEL, Gordon1, SINGLETON, John2, JACOBSON, Carl E.3, SEYMOUR, Nikki M.4, SPENCER, Jon5 and BEARD, L. Sue1, (1)USGS, Flagstaff, AZ 86001, (2)Colorado State University, Fort Collins, CO 80523, (3)University of Pennsylvania, West Chester, PA 50011, (4)Stanford University, Stanford, CA 94305, (5)University of Arizona, Tucson, AZ 85721


    Handouts
  • Orocopia Criteria Poster v35 rfs .pdf (3.9 MB)
  • CHARACTERIZING ZIRCON PORPHYRY COPPER FERTILITY CHARACTERISTICS IN THE EVOLVING LARAMIDE ARC, EAST-CENTRAL ARIZONA
    LEDOUX, Taylor, MDRU-Mineral Deposit Research Unit, University of British Columbia, 2020-2207 Main Mall, Vancouver, BC V6T 1Z4, Canada and HART, Craig J.R., MDRU-Mineral Deposit Research Unit, University of British Columbia, 2020 - 2207 Main Mall, Vancouver, BC V6T 1Z4, Canada


    Handouts
  • Variability in Laramide Porphyry Magma Fertility_GSA Cordillera_TLedoux_2021-05-11.pdf (1.7 MB)
  • CHARACTERIZING THE CHANGES IN MAFIC MINEROLOGY OF HYDROTHERMALLY ALTERED BASALTIC DRILL CORE FROM THE HUMU'ULA SADDLE, HI
    SHEEVAM, Pooja, University of Nevada - Reno, Reno, NV 89509 and CALVIN, Wendy, Department of Geological Sciences and Engineering, University of Nevada, Reno, NV 89557


    Handouts
  • GSA Poster.pdf (305.4 kB)
  • WHOLE-LITHOSPHERE SHEAR DURING OBLIQUE RIFTING
    LUTZ, Brandon, New Mexico Tech Earth Science Dept., 801 Leroy Pl, Socorro, NM 87801-4681, AXEN, Gary, New Mexico Inst Mining and Technology Dept. Earth & Environmental Science, 801 Leroy Pl, Socorro, NM 87801-4681 and VAN WIJK, Jolante, Earth and Environmental Sciences Division, Los Alamos National Laboratory, MS D443, Los Alamos, NM 87544


    Handouts
  • Lutz_GSA2021.pdf (7.9 MB)
  • CO2 TRANSPORT IN ARC MAGMAS: EVIDENCE FROM UNIQUE ORBICULAR DIKES IN THE JURASSIC BONANZA ARC, VANCOUVER ISLAND, CANADA
    MORRIS, Rebecca, School of Earth & Ocean Sciences, University of Victoria, 3575 Elliston Ave, Victoria, BC V8X 1R6, CANADA and CANIL, Dante, School of Earth and Ocean Sciences, University of Victoria, 3800 Finnerty Road, Victoria, BC V8W3V6, Canada


    Handouts
  • GSA_RMorris_363011.pdf (20.7 MB)
  • INVESTIGATING EMPLACEMENT MECHANISMS OF ULTRAMAFIC PLUTONS IN THE UPPER CRUST: SOLVING A GEOLOGICAL CONUNDRUM
    LEUCHTER, Ethan, Department of Geological Sciences and Engineering, University of Nevada, Reno, 2643 Powder Drive, Reno, NV 89503 and CAO, Wenrong, University of Nevada Reno Department of Geological Sciences, 1664 N. Virginia Street, MS 0172, Reno, NV 89557-0001


    Handouts
  • INVESTIGATING EMPLACEMENT MECHANISMS OF ULTRAMAFIC PLUTONS IN THE UPPER CRUST SOLVING A GEOLOGICAL CONUNDRUM.pdf (8.5 MB)